Cup holder



FIG. 1 is a top view of a cup holder embodying my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirrorimage thereof; and,

FIG. 5 is a bottom view thereof.

The ornamental design of a cup holder, as shown and described.